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The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 12635468 B1

PDFFull Text
Date of Patent:
May. 19, 2026

Filed:

Sep. 29, 2020

Holding tool and manufacturing method

Applicant:

Mitsubishi Gas Chemical Company, Inc., Tokyo, JP;

Inventors:

Yusaku Nishihara, Yokohama, JP;

Chisato Murata, Yokohama, JP;

Yuhei Hasuike, Yokohama, JP;

Nobuki Hirooka, Yokohama, JP;

Assignee:

Mitsubishi Gas Chemical Company, Inc., Tokyo, JP;

Attorney:

Fitch, Even, Tabin & Flannery LLP

Primary Examiner:

Camie S Thompson

Int. Cl.
CPC ...
H10P 72/70 (2026.01); B29K 307/04 (2006.01); B32B 1/00 (2024.01); B32B 27/08 (2006.01); B32B 27/20 (2006.01); B32B 27/28 (2006.01); B33Y 80/00 (2015.01);
U.S. Cl.
CPC ...
H10P 72/74 (2026.01); B32B 1/00 (2013.01); B32B 27/08 (2013.01); B32B 27/20 (2013.01); B32B 27/28 (2013.01); B33Y 80/00 (2014.12); B29K 2307/04 (2013.01); B32B 2250/40 (2013.01); B32B 2250/42 (2013.01); B32B 2262/106 (2013.01); B32B 2307/202 (2013.01); B32B 2307/7376 (2023.05); B32B 2457/14 (2013.01); H10P 72/7416 (2026.01);
Abstract

Proposed is a holding tool that satisfies physical properties of a flexural modulus in a circumferential direction of 50 GPa or more and a warpage of not more than 0.5 mm. The holding tool is configured using carbon fibers and a resin, has a substantially annular shape, and includes a first resin layer. In the first resin layer, the longitudinal direction of the fibers is aligned along the circumferential direction of the substantially annular shape.

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Nishihara, Yusaku. (2026). Holding tool and manufacturing method (U.S. Patent No. 12635468). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12635468

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